* {
    padding: 0;
    margin: 0;
    font-family: 'Open Sans Light';
    letter-spacing: 0.5em;
}

html {
    height: 100%;
}
body {
    height: 100%;
}
.container {
    height: 100%;
    background-image: linear-gradient(to right,#434343,#000000) ;
}
.login-wrapper{
    background-color: #fffbf0;
    width: 500px;
    height: 600px;
    border-radius: 15px;
    padding: 0 50px;
    position: relative;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
}
.login-wrapper .header {
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    line-height: 200px;
}
.login-wrapper .form-wrapper .input-item {
    float: left;
    display: inline;
    width: 50%;
    margin-bottom: 20px;
    border: 0;
    padding: 10px;
    border-bottom: 1px solid rgb(128, 125,125);
    font-size: 15px;
    outline: none;
}
.login-wrapper .form-wrapper .input-item::placeholder{
    text-transform: uppercase;
}
.login-wrapper .form-wrapper .btn {
    text-align: center;
    padding: 10px;
    width: 100%;
    margin-top: 40px;
    background-image: linear-gradient(to right,#f4efef,#EADFDF);
}
.login-wrapper .msg {
    text-align: center;
    line-height: 40px;
}
.login-wrapper .msg a{
    text-decoration-line: none;
    color: rebeccapurple;
}

.btn {
    
    border: 0;
    outline: 0;
    font-family: 'JetBrains Mono';
    font-size: 20px;
    cursor: pointer;
    border: 2px solid black;
    width: 250px;
    position: relative;
}
.btn label {
    position: absolute;
    left: 0;
    top: 0;
    line-height: 50px;
    width: 100%;
    height: 100%;
    z-index: 1;
    
}
.btn::before {
    content: '';
    position: absolute;
    right: -2px;
    bottom: -2px;
    width: 0;
    height: 0;
    z-index: 0;
    background-color: red;
    transition: width .5s,height .5s;
}
.btn::after {
    content: '';
    position: absolute;
    right: -2px;
    bottom: -2px;
    width: 0;
    height: 0;
    z-index: 0;
    background-color: red;
    transition: width .5s,height .5s;
}

.btn:hover {
    color: red;
}
.btn:hover::before{
    width: calc(100% + 4px);
    height: calc(100% + 4px);
}
.btn:hover::after {
    width: calc(100% + 4px);
    height: calc(100% + 4px);

}